Lens-mount for eyeglasses.



PATENTED JAN. '7, 1908.

L. F. ADT. LENS MOUNT FOR EYEGLASSES.

APPLICATION FILED MAR.23, 1905.

IIIIIIHITIL-Zj! 68 Emma foz r Z Clttozmq LEO F. ADT, OF TROY, NEW YORK.

LENS-MOUNT FOR EYEGLASSES.

Specification of Letters Patent.

Patented Jan. '7, 1908.

Application filed Marcl. 23.1905 Serial No. 251-577 companying drawings, forming a part of this specification, and to thereference-numerals marked thereon.

The object of my present invention is to provide an improved lens mount for attachmg the mountings or other parts of eyeglasses and spectacles to the lenses whereby lenses of widely different thicknesses and cur vatures may be readily accommodated by the same size mounts without disturbing the alinernent of the fastening screw apertures of the mount and of the lens, and without sacrificing the strength and neat appearance of the mount.

To these and other ends the invention consists of certainimprovements and combinations of parts all as will be hereinafter more fully explained, the novel features being pointed out in the claims at the end of the specification.

In the drawing: Figure 1 is a front view of a pair of eyeglasses to which my invention has been applied; Figs. 2 and 3 are detail views looking in the-plane of the lenses and showing lenses of different thicknesses at-' tached to the mounts; Fig. 4 is a perspective View of the mount removed from the lens; Fig. 5 is an enlarged sectional view on the line 110-11 of Fig. 1 showing how the mount will adapt itself to lenses of different thicknesses and curvatures; and Fig. 6 is a (ha- -grain of a blank from which a lens mount may be constructed in accordance with my 1nvent1on.

Lens mounts constructed inaccordance with myinvention are equally well adapted for attaching the mountings or other parts of e eglasses or spectacles -to the lenses, alt iough in the present embodiment they are shown applied to the ordinary eyeglasses employing the lenses 1 connected by the bridge 2 and provided with the nose guards 3. The lens mounts for connecting the bridgeand guards to the lenses in their present form comprise the body portion 4 having the upper and lower extensions 5 and 6 to engage the edge of a lens, and the front and rear arms 7 and 8 respectively for overlapping and engaging the opposite surfaces of the lens. one end to the body portion 4 of the mount and theiroppositc ends are free and provided with apertures to receive the lens fastening screw 9. One of these lens-attaching arms, preferably the forward arm 7 is so constructed that lenses of different thicknesses and curvatures may be accommodated between these attaching arms wi h ample security without destroying the registration of. the fastening screw apertures of these attaching arms and of the lens, the apertures of the latter being spaced at a uniform distance from the adjacent edge of the lens, and this result I accomplish in the present instance by extending the arm 7 from the body portion of the mount to a point beyond the fastening screw aperture of the lens and of the arm 8, and then bending or doubling it back to the aperture, forming virtually the securing portion 7 attached to the free end of the arm 7 and extending toward. the point of attachment of the latter, the portion 7 being formed to receive the usual screw or other fastening device 9 and adapted to engage one of the surfaces of the lens.

As the attaching arm 7 is preferably conipcsed of pliable or yielding material, the application of a previously apcrturcd lens between the attaching arms of the mount and the setting up of the fastening screw*9 will cause the attaching arms 7 and S to engage the opposite faces of the lens, the securing portion 7 with which the fastening screw cooperates and which is attached to the arm 7 at apoint beyond the screw apertures of the lens and mount being free to take up a position against the adjacent face of the lens although the lenses may be of different thicknesses and the surfaces thereof of varying curvatures.

The register 'or alinement of the screw apertures of the arms 7 and S with the corres )onding aperture of the lens is not distur ed when the mount is applied to comparatively thin lenses, as the securing portion 7 in being drawn against the adjacent surface of the ions by the fastening screw will cause a bending action at a point inwardly beyond the attaching screw and the arm 7 will bend or move about an outer point in proximity to the body portion 4 of the mount and at a point upon the opposite side of the fasteningserew, and consequently the lateral motion in one direction caused by the These arms 7 and 8 are attached at and to employ the additional arm 8 for the opposite side of the lens for this enables the arm 8 to be made comparatively stiff to afford. ample strength to res'ist'lateral bending between the lens and the mount, and in] applying the mount to the-lenses it is prefera e to apply the adjustable arm 7 to the front face of the lenses particularly when ap-' plied to periscopic and toric lenses wherein the curvature of the front surface is on a shorter radius than that of. the rear surface, and therefore the adjustable arm may more Y readily adapt itself'to the contour of the lens.

- A lens mount of the kind described may be readily and cheaply formed mainly'froma blank of sheet material, the body portion 4 with the extensions 5 and 6-being shaped to conform'substan'tially to the contour of .the.

lens edge, the arms-7 and 8 being bent at right angles from the opposite edges of the bodyportion in substantially parallel directions to receive a them, and in the present embodiment the adjustable arm 7- is substantially the shape of a scroll or? spiral, and .this is generallypreferable .as..it {radil adapts itself to the shapeand-thickness o the lens-and presents an ornamental and ,neat appearance. The

usual post 10 carrying the boxill' for the -at-.,

tachn'ie'nt of the bridge and guards is provided onthe body portion 4of the mount when the device isemplo ed in connection with eyeglasses, or when t e invention is aptening device, 0

plied to rimless' spectacles, the body. portion 4 of the mount is provided with the usual temple clasps, bridges or other parts. in the well known way by means of which these parts may be attached in the best manner. .to the lenses. I v

I claim as my inve'ntioni I -1. In eyeglasses, the combination with a lens having an a erture therein for the fasf a-lens' mount comprising a body portion. and an attaching arm connected to the body portion and having alens securingportion attached thereto at a point be yond the lens aperture and extending toward said aperture, and a fastening device cooperating with the securing portion to draw it against the lens surfacetf 1 2."In eyeglasses, the combination with a lens having an aperture therein for the fastoning device, of a lens mount comprising a body portion and the attaching arms for-engaging the surfaces of the le one of said ortion of a lens between arms being extended beyond the lens aper ture and then doubled back to receive the fastening device.

lens having anaperture near one edge thereof for the fastening device, of a lens mount comprising a body portion arranged at the lens edge, and an arm extending inwardly from the bodyportion to a pointbeyond the lens aperture and having a securing portion extending back to the said aperture, and a fastening device cooperating with the securingportion of the arm to secure it to the ens.

4. In eyeglasses, the combination .with'a lens having an aperture near its edge for the the body portion arranged at the lens edge, and the apertured attaching arms attached the lens, one of said arms extending inwardly over thelens and beyond the'lens aperture and having. a securing portion attached thereto at a' point beyond the lens aperture 1 and extending back to the lens aperture, and -a fastening device cooperating with the attaching arms forsecuring them to the lens.

lenshaving an aperture near its edge for the a body portion [arranged at the lens'ed e and an attaching arm extending inward y from thebodyportion and having a securing portion of spiral form extending to the lens with the lens.

6 In eyeglasses, the combination with a lens having an aperture near its edge for the fastening device, of a lens mount composed securing. portion to secure it to the body portion having the lateral lens edgebearing extensions, and the attaching arms extending in opposite directions at either side of the extensions, one of the armsbeing formed with a securing portion doubled edgew'ise thereof.

7. The combination witha lens having an aperturenear one edge, of i a securing device embodying a body portion having an apertured arm extending over one face of the lens, a' securing portion arranged on the opposite side of the lens, and a flexible supporting arm on the body carrying said securing portion and attached to the edge thereof farthest removed from the lens edge.

LEO 13. ADT;

Witnesses MICHAEL F. OO'oNNoR,

H. D. BAILEY.

- 3. In eyeglasses, thecombinat'ion with a fastening. device, of a lens'mount comprising fastening device, of a lens mount comprising thereto and overlapping the opposite faces of J '5. In eyeglasses, the combination with a i aperture, and a fast'eningpdevice cooperating of a'blank of sheetv material embodylng a 

